Location 23b, Rio Palenque [Gatuncillo Formation]: Middle Eocene, Panama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Lucinida
- Lucinidae
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Myrtaea (Myrtaea) cf. curta
(Conrad 1865)
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R category | ||||||
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? Plastomiltha odontota n. sp.
Woodring 1982
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F category | ||||||
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Bivalvia
- Cardiida
- Ungulinidae
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? Diplodonta sp.
Bronn 1831
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R category | ||||||
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Bivalvia
- Pectinida
- Anomiidae
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Anomia cf. lisbonensis
Aldrich 1886
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A category | ||||||
| see common names | |||||||
Geography
| Country: | Panama | State/province: | Colon |
| Coordinates: | 9.4° North, 79.9° West (view map) | ||
| Paleocoordinates: | 9.4° North, 79.9° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2-3 | ||
| Key time interval: | Middle Eocene | ||
| Age range of interval: | 47.80000 - 37.71000 m.y. ago |
Stratigraphy
| Formation: | Gatuncillo | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC POSITION: From the Gatuncillo Fm, which is regionally overlain by the Caimito Fm, and unconformably overlies Cretaceous basement. AGE: Middle-Late Eocene; here assigned to the Middle Eocene on the basis of stratigraphic position. STRATIGRAPHIC POSITION: From the base of the Gatuncillo Fm (based on lithofacies). | |||||
Lithology and environment
| Primary lithology: | lithified silty mudstone |
| Includes fossils? | Y |
| Lithology description: LITHOLOGY: Silty mudstone. LITHIFICATION: Lithified, on the basis of figured specimens, and outcrop observations. | |
| Environment: | coastal indet. |
| Geology comments: Siliciclastic setting. No further paleoenvironmental information provided. | |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Collection method comments: COLLECTORS: Stewart, R.H., Allen, J.L., and A. Mena (1968). REPOSITORY: USNM. | |
| Taxonomic list comments:COVERAGE: Exhaustive for gastropoda, some bivalvia. NOMENCLATURE: Authoritative publication, with relatively modern nomenclature, and species-resolution identifications. | |
Metadata
| Also known as: | USGS 24553 | ||
| Database number: | 92979 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2009-12-20 13:57:12 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2009-12-20 13:57:12 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 13359. | W. P. Woodring. 1982. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (Pelecypods: Propeamussiidae to Cuspidariidae). United States Geological Survey Professional Paper 306(F) [A. Miller/A. Hendy/A. Hendy] |